Abu Hajar Abdel Aziz Al-Muqrin was born in 1972. He went to jihad against the Soviets in Afghanistan in an early age. After the end of the jihad there he participated in the jihad in Algeria, Bosnia, and Ogaden where he was captured by the Ethiopian authorities and extradited to the Arabian Peninsula to be imprisoned by the Saudi regime in Jeddah and he was released two years later after memorizing the Quran. Then he migrated to Afghanistan under the government of the Islamic Emirate of the Taliban where he taught in the camps of the Arab mujahidin there until the Emirate was toppled by the American invasion. He returned to the Arabian Peninsula and participated in establishing Al-Qaeda Organization in the Arabian Peninsula. Under his leadership the mujahidin conducted the martyrdom seeking operation against the crusader Al-Muhaya living compound in November 2003, the raid of Yanbu in 1 May and Khobar in 29 May 2004 against petroleum installations, and kidnapping of the Apache helicopters engineer Paul Marshall Johnson Jr. and executing him in 18 June 2004, on the same day Abdel Aziz Al-Muqrin was martyred in a clash with the puppet Saudi police commandos in Riyadh with three of his companions.